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Codebook for NHGIS data file 'nhgis0050_ds192_20125_2012_county'
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Contents
    - Data Summary
    - Data Dictionary
    - Citation and Use
 
Additional documentation on NHGIS data sources is available at: 
    https://www.nhgis.org/documentation/tabular-data 
 
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Data Summary
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Year:             2008-2012
Geographic level: County (by State)
Dataset:          2012 American Community Survey: 5-Year Data [2008-2012, Tracts & Larger Areas]
   NHGIS code:    2008_2012_ACS5b
   NHGIS ID:      ds192
Breakdown(s):     Geographic Subarea:
                     Total area (00)
Data type(s):     (E) Estimates
                  (M) Margins of error
 
Tables:
 
1. Nativity in the United States
   Universe:    Total population in the United States
   Source code: B05012
   NHGIS code:  Q3J
 
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Data Dictionary
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Context Fields 
        YEAR:        Data File Year
        REGIONA:     Region Code
        DIVISIONA:   Division Code
        STATE:       State Name
        STATEA:      State Code
        COUNTY:      County Name
        COUNTYA:     County Code
        COUSUBA:     County Subdivision Code
        PLACEA:      Place Code
        TRACTA:      Census Tract Code
        CONCITA:     Consolidated City Code
        AIANHHA:     American Indian Area/Alaska Native Area/Hawaiian Home Land Code
        RES_ONLYA:   American Indian Area/Alaska Native Area (Reservation or Statistical Entity Only) Code
        TRUSTA:      American Indian Area (Off-Reservation Trust Land Only)/Hawaiian Home Land Code
        AITSCEA:     Tribal Subdivision/Remainder Code
        ANRCA:       Alaska Native Regional Corporation Code
        CBSAA:       Metropolitan Statistical Area/Micropolitan Statistical Area Code
        CSAA:        Combined Statistical Area Code
        METDIVA:     Metropolitan Division Code
        NECTAA:      New England City and Town Area Code
        CNECTAA:     Combined New England City and Town Area Code
        NECTADIVA:   New England City and Town Area Division Code
        UAA:         Urban Area Code
        CDCURRA:     Congressional District (2013-2015, 113th Congress) Code
        SLDUA:       State Legislative District (Upper Chamber) Code
        SLDLA:       State Legislative District (Lower Chamber) Code
        ZCTA5A:      5-Digit ZIP Code Tabulation Area Code
        SUBMCDA:     Subminor Civil Division Code
        SDELMA:      School District (Elementary)/Remainder Code
        SDSECA:      School District (Secondary)/Remainder Code
        SDUNIA:      School District (Unified)/Remainder Code
        PUMA5A:      Public Use Microdata Sample Area (PUMA) Code
        BTTRA:       Tribal Census Tract Code
 
Data Type (E):
    Estimates
 
        NAME_E:      Area Name
 
    Table 1:     Nativity in the United States
    Universe:    Total population in the United States
    Source code: B05012
    NHGIS code:  Q3J
        Q3JE001:     Total
        Q3JE002:     Native
        Q3JE003:     Foreign-Born
 
Data Type (M):
    Margins of error
 
        NAME_M:      Area Name
 
    Table 1:     Nativity in the United States
    Universe:    Total population in the United States
    Source code: B05012
    NHGIS code:  Q3J
        Q3JM001:     Total
        Q3JM002:     Native
        Q3JM003:     Foreign-Born
 
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Citation and Use of NHGIS Data
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      should include the following citation:

        Steven Manson, Jonathan Schroeder, David Van Riper, and Steven Ruggles. 
        IPUMS National Historical Geographic Information System: Version 14.0 
        [Database]. Minneapolis, MN: IPUMS. 2019. 
        http://doi.org/10.18128/D050.V14.0

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        The College of William and Mary and the Minnesota Population Center.
        School Attendance Boundary Information System (SABINS): Version 1.0.
        Minneapolis, MN: University of Minnesota 2011.

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        IPUMS NHGIS, University of Minnesota, www.nhgis.org.

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